43
Magtrol Hysteresis Dynamometers
Chapter 4 – Testing
OPERA
TION
TORQUE
SPEED (rpm)
(lb·in)
(N·m)
0
5000
10000
15000
20000
25000
30000
0
0
11
1.24
22
2.48
33
3.72
44
4.96
55
6.20
Figure 4–12 HD 715 Power Absorption Curve
HD-800
Shaft Diameter
0.9995 in / 1.0000 in
(25.387 mm / 25.400 mm)
Shaft Height
9.00 in (228.6 mm)
Torque Range
125.0 lb·in
140.0 kg·cm
14.00 N·m
Input Inertia
4.43 × 10
-3
lb·ft·s²
Maximum Speed
12,000 rpm
Maximum Input Power
continuous duty: 1800 W
< 5 minutes:
2800 W
TORQUE
SPEED (rpm)
0
3000
6000
9000
12000
15000
0
0
25
2.8
50
5.6
75
8.4
100
11.2
125
14.0
(lb·in)
(N·m)
Figure 4–13 HD 800 Power Absorption Curve
HD-810
Shaft Diameter
0.9995 in / 1.0000 in
(25.387 mm / 25.400 mm)
Shaft Height
9.00 in (228.6 mm)
Torque Range
125.0 lb·in
140.0 kg·cm
14.00 N·m
Input Inertia
4.43 × 10
-3
lb·ft·s²
Maximum Speed
12,000 rpm
Maximum Input Power
continuous duty: 3000 W
< 5 minutes:
3500 W
